![]() ![]() Objective To ascertain, from the perspectives of dentists and dental technicians, current impression decontamination and disinfection practices with, in the case of the technicians, an estimate of the relative prevalence of contaminated voids within apparently disinfected impressions. Uncertainty of impression disinfection risks both the health of the receiving dental technician and potential repeat disinfection of an already disinfected impression with detrimental consequences for its dimensions. MediMatch Dental Laboratory Ltd is in no way liable for any clinical procedures and will not take responsibility for the use of the content of this protocol in a clinical or non clinical environment.Įach clinician is ultimately responsible for their own clinical decisions regardless of any advice given by MediMatch Dental Laboratory Ltd in any form.Introduction The responsibility of ensuring impressions have been cleaned and disinfected before dispatch to the dental laboratory lies solely with the dentist.This protocol should not be followed if the circumstances are different or if in any way or form it is clinically not appropriate to follow it even if the circumstances are similar as in the protocol.Įach clinician should make their own decisions and not be restricted to following a protocol made by Medimatch Dental Laboratory Ltd.Clinicians will use their own technique, according to individual experience and training. This protocol was not based on experience in a clinical environment.This protocol is based on very limited experience Medimatch has with their cases and should only be used as an indication and not restrictive in any way or form.In addition to MediMatch’s normal terms and conditions we would like to point out that: It is not intended to be prescriptive – it is mandatory that all dental practices observe their Infection Control Policies and Procedures at all times, in accordance with all relevant UK Regulatory and Statutory requirements. Please note: The above protocol describes a suggested impression and wax bite block disinfection technique, based on current UK good clinical practice guidelines. **** Jagger D.C., Vowles, R.W., McNally, L., & Davis O’Sullivan, D.J., ‘The Effect of a Range of Disinfectants on the Dimensional Accuracy and Stability of Some Impression Materials’. *** BDA Advice Sheet A12: “Infection Control in Dentistry” ![]() ‘Gypsum casts as a potential source of microbial cross-contamination’. ‘Disinfection of impressions in UK dental schools’, British Dental Journal,1988 164: 22-23. They should be rinsed again after disinfection to remove any residual disinfectant, and then sealed in a plastic bag for transfer to the dental laboratory. After the second spray, the bag should be sealed and the wax rims left for the time specified by the disinfectant manufacturer. However, if the spraying method is utilised, it must always be undertaken within a plastic bag with the neck of the bag closely adapted around the neck of the spray nozzle. ![]()
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